155128748 has 12 divisors (see below), whose sum is σ = 278096952. Its totient is φ = 75672480.

The previous prime is 155128733. The next prime is 155128763. The reversal of 155128748 is 847821551.

155128748 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155128733) and next prime (155128763).

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472790 + ... + 473117.

It is an arithmetic number, because the mean of its divisors is an integer number (23174746).

Almost surely, 2^155128748 is an apocalyptic number.

It is an amenable number.

155128748 is a deficient number, since it is larger than the sum of its proper divisors (122968204).

155128748 is a wasteful number, since it uses less digits than its factorization.

155128748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945952 (or 945950 counting only the distinct ones).

The product of its digits is 89600, while the sum is 41.

The square root of 155128748 is about 12455.0691688164. The cubic root of 155128748 is about 537.3172241714.

The spelling of 155128748 in words is "one hundred fifty-five million, one hundred twenty-eight thousand, seven hundred forty-eight".